| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1947-48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.00 | 0.00 | j | |
| 1948-49 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 6.90 | 5.80 | 3.20 | 0.00 | 0.00 | 0.00 | 15.90 | b | ||||||||||
| 1949-50 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 2.40 | 28.80 | 2.50 | 0.60 | 1.80 | 0.00 | 0.00 | 37.10 | |||||||||||||
| 1950-51 | 0.00 | 0.00 | 0.00 | 0.00 | 3.90 | 7.40 | 4.30 | 6.70 | 7.10 | 0.00 | 0.00 | 0.00 | 29.40 | |||||||||||||
| 1951-52 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 12.40 | 8.20 | 9.00 | 2.70 | 0.00 | 0.00 | 0.00 | 33.10 | |||||||||||||
| 1952-53 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.40 | 0.60 | 4.80 | 3.80 | 0.00 | 0.00 | 0.00 | 17.60 | |||||||||||||
| 1953-54 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 14.90 | 0.00 | 0.70 | 0.00 | 0.00 | 0.00 | 16.00 | |||||||||||||
| 1954-55 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.70 | 0.70 | 0.20 | 1.30 | 0.00 | 0.00 | 3.90 | |||||||||||||
| 1955-56 | 0.00 | 0.00 | 0.00 | 0.10 | 7.60 | 13.50 | 11.00 | 2.30 | 2.70 | 0.00 | 0.00 | 0.00 | 37.20 | |||||||||||||
| 1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.10 | 6.40 | 6.00 | 1.40 | 0.00 | 0.00 | 0.00 | 14.90 | |||||||||||||
| 1957-58 | 0.00 | 0.00 | 0.00 | 0.00 | 1.40 | 0.90 | 0.20 | 0.10 | 4.30 | 2.20 | 0.00 | 0.00 | 9.10 | |||||||||||||
| 1958-59 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 2.50 | 9.50 | 10.00 | 0.00 | 0.00 | 0.00 | 0.00 | 25.50 | |||||||||||||
| 1959-60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.40 | 23.50 | 5.70 | 12.20 | 0.30 | 0.00 | 0.00 | 45.10 | |||||||||||||
| 1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 4.30 | 0.50 | 0.00 | 0.70 | 1.80 | 0.40 | 0.00 | 0.00 | 7.70 | |||||||||||||
| 1961-62 | 0.00 | 0.00 | 0.00 | 0.60 | 8.90 | 3.10 | 13.80 | 0.20 | 6.20 | 0.00 | 0.50 | 0.00 | 33.30 | |||||||||||||
| 1962-63 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 10.40 | 0.00 | 0.40 | 4.60 | 0.00 | 0.00 | 15.40 | |||||||||||||
| 1963-64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.80 | 5.30 | 0.00 | 2.90 | 0.60 | 0.20 | 0.00 | 12.80 | |||||||||||||
| 1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 3.80 | 9.00 | a | 5.40 | a | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 18.30 | |||||||||||
| 1965-66 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 5.30 | 5.30 | 0.90 | a | 0.00 | 0.00 | 0.00 | a | 11.90 | |||||||||||
| 1966-67 | 0.00 | 0.00 | 0.00 | 0.40 | 0.40 | 11.40 | 11.30 | 0.10 | 5.50 | 8.90 | 0.00 | 0.00 | 38.00 | |||||||||||||
| 1967-68 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 3.50 | 2.80 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 6.80 | |||||||||||||
| 1968-69 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 15.20 | 21.60 | 5.00 | 3.60 | 0.20 | 0.00 | 0.00 | a | 46.30 | ||||||||||||
| 1969-70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 7.20 | 8.00 | 0.60 | 4.80 | 0.10 | 0.00 | 22.20 | |||||||||||||
| 1970-71 | 0.00 | 0.00 | 0.00 | 0.00 | 4.90 | 3.80 | 2.50 | 2.50 | 2.50 | 0.80 | 0.00 | 0.00 | 17.00 | |||||||||||||
| 1971-72 | 0.00 | 0.00 | 0.00 | 1.70 | 0.10 | 4.00 | 1.00 | 2.20 | 3.00 | 0.80 | 0.00 | 0.00 | 12.80 | |||||||||||||
| 1972-73 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 8.60 | 7.90 | 6.60 | 0.30 | 0.20 | 0.00 | 0.00 | 23.70 | |||||||||||||
| 1973-74 | 0.00 | 0.00 | 0.00 | 0.00 | 21.70 | 5.50 | 2.10 | 1.90 | 9.60 | 1.30 | 0.20 | 0.00 | 42.30 | |||||||||||||
| 1974-75 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 6.20 | 2.20 | 7.30 | 3.30 | 0.10 | 0.10 | 0.00 | 20.70 | |||||||||||||
| 1975-76 | 0.00 | 0.00 | 0.00 | 0.00 | 2.10 | 3.40 | 2.10 | 4.50 | 0.60 | 1.20 | 0.00 | 0.00 | 13.90 | |||||||||||||
| 1976-77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 1.40 | 0.90 | 0.00 | 0.50 | 0.00 | 6.30 | |||||||||||||
| 1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 9.50 | 2.80 | 4.60 | 1.50 | 2.80 | 4.20 | 0.00 | 0.00 | 25.40 | |||||||||||||
| 1978-79 | 0.00 | 0.00 | 0.00 | 0.00 | 4.40 | 3.60 | 13.20 | 2.20 | 0.10 | 0.00 | 0.00 | 0.00 | 23.50 | |||||||||||||
| 1979-80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.70 | 1.20 | a | 1.00 | 0.60 | 1.20 | 0.00 | 0.00 | 5.50 | ||||||||||||
| 1980-81 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.70 | 5.60 | 1.10 | 1.10 | 0.20 | 0.00 | 0.00 | 10.70 | |||||||||||||
| 1981-82 | 0.00 | 0.00 | 0.00 | 0.00 | 8.10 | 12.40 | 15.90 | 2.10 | 3.20 | 1.40 | 0.00 | 0.00 | 43.10 | |||||||||||||
| 1982-83 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 4.30 | 0.70 | 1.10 | 0.00 | 0.80 | 0.00 | 0.00 | 10.40 | |||||||||||||
| 1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 6.40 | 18.20 | 1.30 | 1.60 | 0.00 | 2.20 | 0.00 | 0.00 | 29.70 | |||||||||||||
| 1984-85 | 0.00 | 0.00 | 0.00 | 1.60 | 2.30 | 4.80 | 1.80 | 2.20 | 1.90 | 0.00 | 0.00 | 0.00 | 14.60 | |||||||||||||
| 1985-86 | 0.00 | 0.00 | 0.00 | 0.00 | 11.20 | 6.30 | 0.20 | 16.70 | 0.00 | 0.00 | 0.50 | 0.00 | 34.90 | |||||||||||||
| 1986-87 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.30 | 0.20 | 4.30 | 2.00 | 0.00 | 0.00 | 0.00 | 8.80 | |||||||||||||
| 1987-88 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.30 | 4.20 | 5.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 10.10 | ||||||||||||
| 1988-89 | 0.00 | 0.00 | 0.00 | 0.00 | 6.40 | 7.00 | 4.80 | 2.40 | 1.40 | 0.00 | 0.00 | 0.00 | 22.00 | |||||||||||||
| 1989-90 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.70 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | c | 4.70 | ||||||||||||
| 1990-91 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 2.20 | 0.00 | 0.00 | 2.60 | 0.20 | 0.00 | 0.00 | 5.00 | d | ||||||||
| 1991-92 | 0.00 | 0.00 | 0.00 | 2.20 | 1.40 | 1.00 | 1.80 | 1.10 | 0.00 | 0.30 | 0.00 | 0.00 | 7.80 | |||||||||||||
| 1992-93 | 0.00 | 0.00 | 0.00 | c | 0.00 | 0.30 | 22.70 | 20.70 | 10.80 | 6.00 | 0.00 | 0.00 | 0.00 | 60.50 | ||||||||||||
| 1993-94 | 0.00 | a | 0.00 | 0.00 | 0.00 | 2.30 | 0.00 | 1.00 | 4.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.30 | ||||||||||||
| 1994-95 | 0.00 | 0.00 | d | 0.00 | 0.00 | 1.20 | 0.40 | 0.60 | 3.30 | 0.00 | 0.00 | 0.00 | 0.00 | 5.50 | ||||||||||||
| 1995-96 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | g | |||||
| 1996-97 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | j | ||
| 1997-98 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.90 | a | 0.00 | c | 0.00 | d | 0.00 | a | 0.00 | 0.00 | 14.90 | |||||||||
| 1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.60 | 2.00 | 3.00 | c | 0.00 | 0.00 | 0.00 | a | 0.00 | 6.60 | |||||||||||
| 1999-00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | d | 1.50 | a | 0.00 | b | 0.00 | ----- | z | ----- | z | 1.50 | b | ||||||
| 2000-01 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2001-02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2002-03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2003-04 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | m | 0.00 | u | ----- | z | 0.00 | l |
| 2004-05 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2005-06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.40 | c | 0.00 | a | 0.00 | 0.00 | 0.40 | g | |||
| 2006-07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | g | 0.00 | a | 0.00 | b | 0.00 | a | 0.00 | c | 0.00 | 0.00 | 0.00 | a | ||||||
| 2007-08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 2.30 | 6.20 | 1.00 | 0.00 | 1.40 | 0.00 | 0.00 | 11.30 | |||||||||||||
| 2008-09 | ----- | z | 0.00 | ----- | z | 0.00 | 0.00 | 8.30 | 3.20 | 1.70 | 0.50 | 0.00 | 0.00 | 0.00 | 13.70 | b | ||||||||||
| 2009-10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 3.50 | 1.80 | 0.00 | 0.00 | o | 0.20 | h | 0.00 | n | 0.00 | i | 5.80 | d | ||||||||
| 2010-11 | 0.00 | j | 0.00 | h | 0.00 | j | 0.00 | n | 0.00 | l | 11.00 | d | 0.00 | 11.50 | 0.00 | b | 0.00 | 0.00 | 0.00 | 22.50 | e | |||||
| 2011-12 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | a | 0.00 | a | 0.00 | e | 6.00 | e | 3.00 | a | 0.80 | 0.00 | 0.00 | 11.30 | ||||||||
| 2012-13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | d | 2.00 | b | 1.00 | 0.00 | 0.00 | a | 0.00 | b | 0.00 | 0.00 | 3.00 | |||||||||
| 2013-14 | 0.00 | 0.00 | b | 0.00 | 0.00 | 0.00 | 1.30 | 0.00 | 7.20 | g | 0.00 | b | 0.00 | 0.00 | 0.00 | 1.30 | a | |||||||||
| 2014-15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | b | 5.10 | a | 0.20 | 0.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 5.30 | ||||||||||
| 2015-16 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 3.90 | a | 0.40 | c | 0.00 | 0.30 | 0.00 | 0.00 | 0.00 | a | 8.60 | ||||||||||
| 2016-17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.00 | c | 30.10 | c | 9.90 | 0.00 | 0.00 | 0.00 | 0.00 | 48.00 | |||||||||||
| 2017-18 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.00 | 3.40 | 1.60 | 0.00 | 0.00 | 0.00 | 5.20 | |||||||||||||
| 2018-19 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | d | 0.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | e | ||||
| 2019-20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2020-21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2021-22 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2022-23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2023-24 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.00 | 0.12 | 2.14 | 4.48 | 5.75 | 3.11 | 1.78 | 0.68 | 0.03 | 0.00 | 19.57 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.00 | 0.42 | 3.73 | 4.89 | 7.20 | 3.57 | 2.45 | 1.51 | 0.11 | 0.00 | 13.95 | |||||||||||||
| SKEW | 0.00 | 0.00 | 0.00 | 3.69 | 2.94 | 1.59 | 1.73 | 1.51 | 2.11 | 3.50 | 3.57 | 0.00 | 0.96 | |||||||||||||
| MAX | 0.00 | 0.00 | 0.00 | 2.20 | 21.70 | 22.70 | 30.10 | 16.70 | 12.20 | 8.90 | 0.50 | 0.00 | 60.50 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | |||||||||||||
| YRS | 61 | 62 | 62 | 62 | 62 | 61 | 63 | 62 | 62 | 62 | 62 | 63 | 54 | |||||||||||||